Il n'y a pas une annotation en français. Présenté est une annotation en Anglais.
As the Chew Green camps overlap and descriptions are sometimes confusing, it is appropriate to better define them.
Camp 4 is built entirely within Camp 1. It is thought to be a semi-permanent camp that was occupied for more than just a few days.
See:
http://roman-britain.co.uk/places/chew_green.htm
http://www.pastscape.org.uk/hob.aspx?hob_id